The product is suitable for harsh and corrosive environments, measuring non viscous, non caking, and slightly corrosive gas and liquid media. There is a safety partition designed inside the table to protect the safety of the observation surface. The back is equipped with a pressure relief back cover to release the internal pressure generated by the rupture of overload elastic elements, enhancing the safety of personnel and facilities. At the same time, the unique structural design enables the product to withstand pressure shocks ranging from 2.5 times to 4 times the range. It is mainly used in industries such as petroleum, chemical, metallurgy, power, food, medicine, environmental protection, machinery, and ships.